1病例介绍患者,男,46岁。2008年4月行健康查体时发现双外耳道狭窄,追问病史近半年偶感耳部不适,伴微痛,无听力下降,未介意,未经诊治。既往体健,家族中无类似发病史。体检:一般情况良好,心肺听诊正常,全身皮肤黏膜色泽正常,未见肿物。双侧耳廓对称,无畸形,双外耳道狭窄,呈结节状隆起,触之坚硬,表皮发白,尤以右侧为重。双侧鼓膜窥视不全,所见部分标志清,双乳突无压痛。 1 case description Patient, male, 46 years old. April 2008 when the line of health examination found two external auditory canal narrow, asked about the history of nearly half of the couple ear flu occasionally, with slight pain, no hearing loss, did not mind, without diagnosis and treatment. Past physical health, family history of similar incidence. Physical examination: the general situation is good, cardiopulmonary auscultation normal, normal skin mucosal color, no tumor. A bilateral auricle symmetry, no deformity, two pairs of external auditory canal narrow, nodular bump, touch hard, epidermal white, especially in the right side as the most important. Pterygium bilateral insufficiency, see some of the signs of clear, no tenderness of the papilla.